<div>
  <p>Top key in yaml file</p>

  <h3>[Example]</h3>

  <pre>
# example.yml
key1:
  - value1
  - value2
  - value3
key2:
  - value4
  - value5
  - value6
  </pre>

  <p>
    Axis name is <i>key1</i> and <i>key2</i>
  </p>
</div>
